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2017 Word of the Year

castoreum

[ka-stawr-ee-uh m, -stohr-] /kæˈstɔr i əm, -ˈstoʊr-/
noun
1.
castor1 (def 1).
Origin of castoreum
< Latin < Greek kastórion, equivalent to kastor- (stem of kástōr) beaver + -ion, neuter of -ios adj. suffix
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for castoreum
Historical Examples
  • Of the infatuation of this animal for castoreum he saw several instances.

    The Western World W.H.G. Kingston
  • castoreum was the most popular of these, and from it was compounded the great cure-all.

    In Beaver World

    Enos Abijah Mills
  • Next in importance to its skin, the beaver was valued for the castoreum it yielded.

    In Beaver World

    Enos Abijah Mills
  • castoreum has done good in this as in spasmodic dysmenorrhea.

    Psychotherapy James J. Walsh
  • You have denied that the vesicles of the otter are equivalent to castoreum.

    The Man Who Laughs

    Victor Hugo
  • From the strength of the castoreum, the Siberians infer that other parts of the animal must possess peculiar virtues.

  • The Indians also highly prized the castoreum of the beaver for its supposed medicinal properties.

    The Chief Engineer Henry Abbott
  • They mix the castoreum with a red colour, and with it rub their face and frequently their hair.

  • Another time a beaver, passing over a trap to get the castoreum, had his hind-leg broken.

    The Western World W.H.G. Kingston
  • At length an Indian tried whether a male might not be caught by adding some of the castoreum.

    The Western World W.H.G. Kingston

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